Servo Oil Piping Removing, Fitting And Regrinding; 8447−1/A1 - WÄRTSILÄ RT-flex50-D Maintenance Manual

RT-flex50-D
Servo Oil Piping
Removing, Fitting and Regrinding
Tools:
1 Regrinding device
A
Wärtsilä Switzerland Ltd
Maintenance
94834
4,a,b Screw
1. General
The engine must be stopped and then the servo oil pipings can
be drained via leakage oil pipes 12, however, also a tray should
be placed under the connecting blocks.
D
1 Non-return valves 11 prevents servo oil rail from discharging.
2. Removal
D
D
2
D
D
3
013.511/05
Key to Illustrations:
1 Servo oil rail
2 Servo oil piping
3 Servo oil piping
5,a Flange
6 Screw
7 Intermediate piece
8 Non-return valve
9 Claw
For that screws 4a must be loosened and flange 5a, resp. 4
and 5 at connecting block 14 pushed back in order to sepa-
rate servo oil piping from its sealing faces 'DF'.
Depending on the servo oil piping to be removed, the pip-
ing from servo oil service pump 4.88 to oil inlet 'OE' (Fig.
'C') must also be removed.
To remove servo oil piping 2, the relevant servo oil piping 3
must be removed first.
Pay attention not to damage sealing faces 'DF'.
All connections must be closed off immediately and the
sealing faces must be protected against any damages.
B
013.480/05
1/ 4
8447−1/A1
10 Thrust ring
11 Non-return valve
12 Leakage oil pipe
13 Oil leakage monitoring
14 Connecting block
15−17 O-ring
DF Sealing face
OE Oil inlet
12
13
2010